20780091211

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2418821}}^1$

素因数の和:2418914

約数の個数: 12

約数和(自身を含む): 23162639472

約数和(自身を除く): 2382548261

約数列:

[1, 11, 71, 121, 781, 8591, 2418821, 26607031, 171736291, 292677341, 1889099201, 20780091211]

約数ペア:

[(1, 20780091211), (11, 1889099201), (71, 292677341), (121, 171736291), (781, 26607031), (8591, 2418821)]